Zerconidae Canestrini, 1891

Bolger, Thomas, Arroyo, Julio & Piotrowska, Katarzyna, 2018, A catalogue of the species of Mesostigmata (Arachnida, Acari, Parasitiformes) recorded from Ireland including information on their geographical distribution and habitats, Zootaxa 4519 (1), pp. 1-220 : 36-42

Family Zerconidae Canestrini, 1891

Prozercon Sellnick, 1943 • Prozercon fimbriatus (Koch, 1839) • Original name: Zercon fimbriatus Koch, 1839 . • In: Deutschlands Crustaceen, Myriopoden und Arachniden. 1835–1844. Regensburg, fasc. 27 (7). • Combinations/variations used in Irish literature: Zercon trigonus Berlese ( Halbert, 1915; Hull, 1918).

Irish Records: Moss ( Halbert, 1915); nest of Lasius flavus and pasture ( Arroyo et al., 2015).

Counties: Limerick, Offaly.

• Prozercon tragardhi ( Halbert, 1923)

• Original name: Zercon tragardhi Halbert, 1923 .

• In: Journal of the Linnean Society (Zoology), 35: 375.

• Combinations/variations used in Irish literature: Zercon Trägårdhi Halbert (Halbert, 1923) .

Irish Records: Decaying henbane plants ( Halbert, 1923).

Counties: Dublin.

Zercon Koch, 1836

• Zercon abaculus Koch, 1839

• Original name: Zercon abaculus Koch, 1839 .

• In: Deutschlands Crustaceen, Myriopoden und Arachniden. 1835–1844. Regensburg, fasc. 27 (4).

Irish Records: Fungal sporocarp ( O’Connell, 1994).

Counties: Not specified.

• Zercon colligans Berlese, 1920

• Original name: Zercon perforatulus var. colligans Berlese, 1920 .

• In Redia , 14: 190.

Irish Records: Fungal sporocarp ( O’Connell, 1994).

Counties: Not specified.

• Zercon curryi Moraza et al., 2009

• Original name: Zercon curryi Moraza et al., 2009 .

• In: Zootaxa, 2019: 30.

Irish Records: On bark of oak and in moss on oak, Scots pine, ash; canopy of ash, oak and yew ( Moraza et al., 2009; Arroyo et al., 2010, 2012, 2013a, b).

Counties: Clare, Kerry, Laois, Roscommon, Sligo.

• Zercon darai Moraza, 2009

• Original name: Zercon darai Moraza, 2009 .

• In: Zootaxa, 2019: 32.

Irish Records: Soil under oak; moss on soil under ash; moss on oak, ash, Scots pine and Sitka spruce; canopy of ash, oak and Sitka spruce ( Moraza et al., 2009; Arroyo et al., 2010, 2012, 2013a, b).

Counties: Clare, Cork, Kerry, Laois, Offaly, Roscommon, Tipperary.

• Zercon hibernia Moraza et al., 2009

• Original name: Zercon hibernia Moraza et al., 2009 .

• In: Zootaxa, 2019: 34.

Irish Records: Soil under oak; bark of ash, Scots pine, Sitka spruce; moss on ash, oak, Scots pine, Sitka spruce; canopy of ash, oak, Scots pine, Sitka spruce and Yew ( Moraza et al., 2009; Arroyo et al., 2010, 2012, 2013a, b).

Counties: Clare, Cork, Galway, Kerry, Kildare, Laois, Offaly, Roscommon, Sligo, Wicklow.

• Zercon perforatulus Berlese, 1904

• Original name: Zercon triangulus var. perforatulus Berlese, 1904 .

• In: Redia , 1: 269.

Irish Records: Under chips of wood and in moss ( Halbert, 1923).

Counties: Mayo, Wicklow.

• Zercon spatulatus Koch, 1839

• Original name: Zercon spatulatus Koch, 1839

• In: Deutschlands Crustaceen, Myriopoden und Arachniden. 1835–1844. Regensburg, fasc. 27 (27).

Irish Records: Pasture on bog ( Longworth, 1973).

Counties: Mayo.

• Zercon triangularis Koch, 1836

• Original name: Zercon triangularis Koch, 1836 .

• In: Deutschlands Crustaceen, Myriopoden und Arachniden. 1835–1844. Regensburg, fasc. 4 (16).

Irish Records: Moss ( Halbert, 1915, Bolger, in press); under chips of wood and in moss ( Halbert, 1923); gorse bank at seashore ( Purvis, 1982); cliff (Bolger in press); fore dunes of Machair system ( Arroyo & Bolger, 2011); in soil under Norway spruce ( McCarthy. 2004, unpublished data); moss on soil under oak, Sitka spruce and soil under Sitka spruce, moss on Scots pine and in canopy of ash ( Arroyo et al., 2012, 2013a).

Counties: Galway, Kilkenny, Laois, Mayo, Roscommon, Sligo, Wicklow, Wexford.

• Zercon zelawaiensis Sellnick, 1944

• Original name: Zercon zelawaiensis Sellnick, 1944 .

• In: Acari - Blätter für Milbenkunde Königsberg, 5: 32.

Irish Records: Sphagnum and heather on bog ( Longworth, 1973); fore dunes of Machair system ( Arroyo & Bolger, 2011); soil under Sitka spruce; Moss on soil under oak, Scots pine and Sitka spruce; moss on oak, Scots pine, Sitka spruce and yew ( Arroyo et al., 2012, 2013a, b); raised bog ( Wisdom, 2010; Wisdom et al., 2011).

Counties: Clare, Cork, Donegal, Kerry, Laois, Mayo, Offaly, Sligo, Tipperary, Wicklow.